<template >
    <div class="todo-header">
        <input type="text" placeholder="请输入你的任务名称，按回车键确认" v-model="title" @keyup.enter="addTodo"/>
    </div>
</template>
<script>
import {nanoid} from 'nanoid';
export default {
    
    name:'MyHeader',
    data() {
        return {
            title:''
        }
    },
    methods: {
        addTodo(e){
            if(this.title.trim()==='') return
            const todoObj = {id:nanoid(),name:e.target.value,done:false}
            this.$emit('transTodo',todoObj)
            e.target.value = ''
        }
    },  
}
</script>
<style scoped>
    /*header*/
    .todo-header input {
    width: 560px;
    height: 28px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 7px;
    }

    .todo-header input:focus {
    outline: none;
    border-color: rgba(82, 168, 236, 0.8);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
    }
</style>